#ef3421
a balanced, electric red · warm · closest name: tomato
RGB
239, 52, 33
HSL
6°, 87%, 53%
CMYK
0, 78, 86, 6
Luminance
0.2092
Every format
| HEX | #ef3421 |
| RGB | rgb(239, 52, 33) |
| HSL | hsl(6, 87%, 53%) |
| CMYK | cmyk(0%, 78%, 86%, 6%) |
| LAB | lab(52.9 68.6 55.0) |
| LCH | lch(52.9 87.9 38.7) |
| OKLCH | oklch(0.620 0.224 30.2) |
Copy-ready code
/* CSS */
color: #ef3421;
background-color: #ef3421;
/* Tailwind (arbitrary) */
class="text-[#ef3421] bg-[#ef3421]"
/* SCSS */
$brand: #ef3421;
/* SwiftUI */
Color(red: 0.937, green: 0.204, blue: 0.129)
/* Android */
Color.parseColor("#ef3421")Accessibility — WCAG contrast
Aa
#ef3421 on white: 4.05:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#ef3421 on black: 5.18:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red93.7%
Green20.4%
Blue12.9%
CMYK percentages
Cyan0.0%
Magenta78.2%
Yellow86.2%
Key (black)6.3%
Color previews
#ef3421 text on a black background
contrast 5.18:1
Card sample
#ef3421 text on a white background
contrast 4.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #ef3421;
Background color
Panel with #ef3421 background
background-color: #ef3421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #ef3421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(239, 52, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(239, 52, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ef3421; background: linear-gradient(135deg, #ef3421, #EFBD21);